“ The boys were put in his charge at the age of six. The παιδαγωγός being a slave, was necessarily a foreigner, usually a Thracian or Asiatic. The Romans adopted the paedagogus or pedagogus towards the end of the republic. He probably took some part in the instruction of the boys (see Schools) . Under the empire, the pedagogus was specifically the instructor of the boy slaves, who were being trained and educated in the household of the emperor and of the rich nobles and other persons ”